That which is hallucinogenic does NOT all have the same effect. Some have different side effects and some could make you hallucinate differently. An Amanita Muscaria mushroom (containing Ibotenic Acid/Muscimol) would make you trip differently than any Psilocybin containing mushroom.

"Dude, my mom took some hallucinogenic shrooms and thought I was a walking, talking joint."

Chemistry Teacher - Students, today we are going to learn how to extract and condense LSA into LSD
*the next day*
Chemistry Teacher - Does anyone else see that unicorn in the back of the room?